NaCl为离子化合物,由钠离子与氯离子构成,电子式为:
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/9825bc315c6034a859101f30c813495408237694?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
;
H
2S为共价化合物,硫原子中最外层有8个电子达到稳定结构,分子中存在两个H-S键,电子式为:
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/8cb1cb1349540923d19bc4cf9158d109b2de4994?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
;
CO
2为共价化合物,电子式为
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/8601a18b87d6277f1fde95892b381f30e824fcb7?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
;
K
2S为离子化合物,钾离子用离子符号表示,硫离子标出最外层电子,硫化钾的电子式为:
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/79f0f736afc379316ea42198e8c4b74542a911b6?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
;
氮气分子中两个N原子形成三对共用电子对,氮气分子的电子式为
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/b219ebc4b74543a9ebd75d7d1d178a82b80114b6?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
;
CaS为离子化合物,钙原子失去2个电子形成钙离子,S原子得到2个电子形成S离子,电子式
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/6f061d950a7b0208f605985061d9f2d3562cc8b7?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
;
氢氧化钠属于离子化合物,电子式中需要标出阴阳离子所带电荷,钠离子直接用离子符号表示,氢氧根离子需要标出最外层电子,氢氧化钠的电子式为:
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/63d9f2d3572c11df3a1d1892602762d0f603c2b7?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
;
氯原子未成键的孤对电子对未画出,四氯化碳是共价化合物,碳原子与氯原子之间形成1对共用电子对,电子式为
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/50da81cb39dbb6fd14a942970a24ab18962b3794?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
;
Na
2O
2是离子化合物,由Na
+离子和O
2-离子构成,Na
2O
2的电子式为
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/7a899e510fb30f2410684bb2cb95d143ac4b0394?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
;
氯化铵是离子化合物,由氨根离子与氯离子构成,电子式为:
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/6a600c338744ebf8acbdc38edaf9d72a6159a7b7?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
;
故答案为:
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/9825bc315c6034a859101f30c813495408237694?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
;
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/8cb1cb1349540923d19bc4cf9158d109b2de4994?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
;
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/79f0f736afc379316ea42198e8c4b74542a911b6?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
;
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/b219ebc4b74543a9ebd75d7d1d178a82b80114b6?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
;
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/8601a18b87d6277f1fde95892b381f30e824fcb7?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
;
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/6f061d950a7b0208f605985061d9f2d3562cc8b7?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
;
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/63d9f2d3572c11df3a1d1892602762d0f603c2b7?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
;
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/50da81cb39dbb6fd14a942970a24ab18962b3794?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
;
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/7a899e510fb30f2410684bb2cb95d143ac4b0394?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
;
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/6a600c338744ebf8acbdc38edaf9d72a6159a7b7?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
.